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134471844 = 223213287333
BaseRepresentation
bin10000000001111…
…10000010100100
3100101000212200200
420000332002210
5233411044334
621202110500
73221664123
oct1000760244
9311025620
10134471844
11699a6761
123904b430
1321b23050
1413c05aba
15bc13799
hex803e0a4

134471844 has 36 divisors (see below), whose sum is σ = 366063516. Its totient is φ = 41375808.

The previous prime is 134471839. The next prime is 134471863. The reversal of 134471844 is 448174431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69056100 + 65415744 = 8310^2 + 8088^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 134471799 and 134471808.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143199 + ... + 144134.

It is an arithmetic number, because the mean of its divisors is an integer number (10168431).

Almost surely, 2134471844 is an apocalyptic number.

It is an amenable number.

134471844 is an abundant number, since it is smaller than the sum of its proper divisors (231591672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134471844 is a wasteful number, since it uses less digits than its factorization.

134471844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287356 (or 287351 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 134471844 is about 11596.1995498525. The cubic root of 134471844 is about 512.3229214921.

The spelling of 134471844 in words is "one hundred thirty-four million, four hundred seventy-one thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 287333 574666 861999 1149332 1723998 2585997 3447996 3735329 5171994 7470658 10343988 11205987 14941316 22411974 33617961 44823948 67235922 134471844